Review of Dementia and Cognitive Decline in Black Brazilians, 2000-2025

Brazilian research on dementia and cognitive aging among the Black population, which comprises 56.5% of the country's population. The narrative review synthesizes 18 papers published between 2000 and 2025, with a median proportion of 39.5% Black participants among study samples. The document was authored by Natália Rocha Tardelli and released under a CC-BY-4.0 license in April 2026.

Use Cases

• Identify research gaps in dementia studies for Black Brazilians based on the review's analysis of publication characteristics.
• Analyze the influence of socioeconomic factors on cognitive function based on findings from twelve studies.
• Assess the geographic distribution of dementia research in Brazil based on the concentration of studies in São Paulo and the Southeast region.

Strengths

• The review is based on a systematic search of PubMed, LILACS, and SciELO databases.
• It synthesizes findings from 18 papers spanning a 25-year period (2000-2025).
• It provides specific demographic context, noting the Black population represents 56.5% of Brazil's population.

Limitations

• The dataset is a 19.4 KB DOCX document, indicating a limited scope as a review paper rather than primary data.
• Column-level documentation is absent; field semantics must be inferred after download.
• The review notes an underrepresentation of Black individuals in dementia research and a lack of clinical trials.

Provenance

Source

figshare

Collection Method

Narrative review based on database searches of PubMed, LILACS, and SciELO.

Time Range

2000-2025

Freshness

Last updated 2026-04-22 05:46:15; freshness should be verified.

Geography

Brazil, with studies concentrated in São Paulo and the Southeast region.